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Speciation of organotin in environmental sediment samples
Ceulemans, M.; Slaets, S.; Adams, F. (1998). Speciation of organotin in environmental sediment samples. Talanta 46(3): 395-405. http://dx.doi.org/10.1016/S0039-9140(97)00403-7
In: Talanta. Elsevier: Amsterdam. ISSN 0039-9140; e-ISSN 1873-3573, more
Peer reviewed article  
Available in  Authors 
Keywords
    Analytical techniques > Chromatographic techniques > Gas chromatography
    Evolution > Speciation
    Marine/Coastal
Author keywords
    Organotin; Atomic emission spectrometry
Authors  Top 
  • Ceulemans, M.
  • Slaets, S.
  • Adams, F., more
Abstract
    An optimized sample preparation procedure for organotin speciation in sediment samples has been applied to the analysis of sediments collected in the environment. The method is based on tropolone complexation of the ionic organotins, followed by extraction into a hexane–ethylacetate mixture and derivatization by NaBEt4. The method was applied to the determination of organotin in various harbour, shipyard and dry-dock sediments in Belgium. Butyltin compounds were detected in all samples analyzed, often at high mg kg−1 levels. A limited number of samples showed the presence of phenyltin compounds. Further, the method was adapted to the analysis of river sediments sampled from the vicinity of shipyards. Butyltin concentrations were detected at the µg kg−1 level in the majority of samples.
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